美国CO_2驱油技术应用及启示  

Application and enlightenment of carbon dioxide flooding in the United States of America

作　　者：秦积舜[1,2,3] 韩海水[1,2] 刘晓蕾[2,4] 

机构地区：[1]中国石油勘探开发研究院 [2]提高石油采收率国家重点实验室 [3]国家能源二氧化碳驱油与埋存技术研发中心 [4]中国科学院渗流流体力学研究所

出　　处：《石油勘探与开发》2015年第2期209-216,共8页Petroleum Exploration and Development

基　　金：国家重点基础研究发展计划(973)项目(2011CB707304);国家科技重大专项(2011ZX05016-001)

摘　　要：分析、总结了美国CO2驱油技术的应用情况及项目特点,基于应用实例归纳了CO2驱油配套技术,并阐述了对中国发展CO2驱油技术的启示。在系统跟踪世界范围提高采收率技术调查数据和充分调研CO2驱油技术应用情况的基础上,总结分析了CO2驱油技术的发展历程及其形成原因。以项目数量、规模、产量等为指标,评价了美国CO2驱油技术发展现状,同时概括其项目特点及其发展的源动力。着重归纳了美国CO2混相驱在储集层特征、原油性质、项目实施时机等方面的特点,对比分析了美国CO2混相驱和非混相驱在规模和油藏适应性方面的差别。基于美国最典型、最成功的CO2混相驱实例(SACROC项目),阐明在发展CO2驱油技术的同时形成的一系列配套技术。分析了中国推广CO2混相驱技术面临的挑战和技术瓶颈,同时给出相应的建议。The application and characteristics of CO2 flooding in the USA were analyzed and summarized. Complementary techniques of CO2 flooding were generalized by an application example, and then the enlightenment was expounded for CO2 flooding in China. The development process and forming reasons of CO2 flooding technology were analyzed and summarized based on the systematic tracking of EOR survey data all over the world and the sufficient investigation of CO2-EOR technology application. The current situation of American CO2-EOR technology was evaluated using the quantity, scale and EOR production of projects as indexes. The characteristics and development-driving force of the projects were summed up. The characteristics of American CO2 miscible flooding were emphatically outlined about reservoir properties, crude oil properties and project timings. Meanwhile, the scale and reservoir adaptability differences between American CO2 miscible and immiscible flooding were comparatively analyzed. A series of complementary techniques were illuminated with the development of SACROC CO2-EOR project as an example. The challenges, technical bottlenecks and suggestions were analyzed and proposed for the promotion of CO2 miscible flooding technology in China.

关 键 词：CO2驱油 混相驱 非混相驱 气驱 提高采收率 

分 类 号：TE357.4[石油与天然气工程—油气田开发工程]